1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/selftests/mock_drm.c b/drivers/gpu/drm/i915/selftests/mock_drm.c
new file mode 100644
index 000000000000..09c704153456
--- /dev/null
+++ b/drivers/gpu/drm/i915/selftests/mock_drm.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright © 2017 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#include "mock_drm.h"
+
+struct drm_file *mock_file(struct drm_i915_private *i915)
+{
+	struct file *filp;
+	struct inode *inode;
+	struct drm_file *file;
+	int err;
+
+	inode = kzalloc(sizeof(*inode), GFP_KERNEL);
+	if (!inode) {
+		err = -ENOMEM;
+		goto err;
+	}
+
+	inode->i_rdev = i915->drm.primary->index;
+
+	filp = kzalloc(sizeof(*filp), GFP_KERNEL);
+	if (!filp) {
+		err = -ENOMEM;
+		goto err_inode;
+	}
+
+	err = drm_open(inode, filp);
+	if (err)
+		goto err_filp;
+
+	file = filp->private_data;
+	memset(&file->filp, POISON_INUSE, sizeof(file->filp));
+	file->authenticated = true;
+
+	kfree(filp);
+	kfree(inode);
+	return file;
+
+err_filp:
+	kfree(filp);
+err_inode:
+	kfree(inode);
+err:
+	return ERR_PTR(err);
+}
+
+void mock_file_free(struct drm_i915_private *i915, struct drm_file *file)
+{
+	struct file filp = { .private_data = file };
+
+	drm_release(NULL, &filp);
+}